The upper-level system had been interacting with a tropical wave that had drenched the Grand Cayman island with more than an inch of rainfall and thundershowers.
Cayman Islands National Weather Service forecaster Avalon Porter said that they had expected similar weather conditions to continue throughout the night and on into the following day with intermittent breaks.
In its midday forecast for 24 June, the NWS said, Radar images showed isolated showers around the Cayman area that has been moving to West.
Porter said although only one inch of rainfall has recorded with the help of the weather station, which has based at Owen Roberts International Airport. These other weather stations have privately owned recorded down more than two inches in some areas of Grand Cayman.
Porter said that they could not speak to the calibration of those instruments. However, an informal glance at the recordings reveals that as much as two-and-a-half inches of rainfall fell in some parts of West Bay.
The current tropical wave, which is supporting thundershowers, is expected to move out of the Cayman area by Monday. However, Porter warns that it is unlikely that weather conditions will improve.
Poter said that there had been another tropical wave in the eastern Caribbean that would eventually be made its way into the Cayman area, and that has likely to happen right as that tropical wave moves on.
At 2:30 pm, the first system has located 100 miles east-southeast of Barbados that was going towards the West-Northwest at a speed of 10 miles per hour.
However, Porter warns that the system might make its way into the Cayman area in the future, and when that does, it has expected to bring more thundershowers.
Porter said that the system that they had to keep an eye out for would be the one that is off the coast of Africa. Of course, that has still too early to tell which direction that will travel.